This circuit generates sinusoidal signals that depend on the input oscillator. The circuit is from a Radio Elecrtronics from April 1988. The signals are in the range of a few hundred kilohertz.
We found this circuit in a Radio Electronics magazine from June 1992. The circuit has a power...
In the figure we have the way of modulating or controlling the frequency of a relaxation...
This circuit is indicated to operation with piezoeletric transdicers or other with high impedance...